I'm happy about all movement in this space, but I don't really see the unique value proposition yet. What is special about papis?

Being hackable (python) is certainly nice, but many of the steps listed on the homepage are a lot faster and easier with other tools such as Zotero or straight BibTeX. Especially manually entering titles or other metadata on the cli - that would be the seventh level of hell for me. I want one click on a paper's webpage and be done.